Hook up xhci ops for Phoenix xHCI device. Benefit is we don't have to
bother by adding xhci DID.
BUG=b:285981912
TEST=check coreboot log shows below.
[INFO ] \_SB.PCI0.GP41.XHC0.RHUB.SS01: USB3 Type-A Port A0 (MLB)
Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Change-Id: Ib59874948725966b04b54def3f6de463afeda709
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75659
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
9a070dc746